Crossed Roller Bearing RA9008UUCC0 90X106X8mm Block Linear Guide Slide RA9008C Cross-Roller Ring Thin Wall Crossed Roller Bearing Compact Hand Robot Joint Bearing

The RA9008C RA9008UUCC0 bearing is designed for high-precision rotational motion, featuring crossed cylindrical rollers arranged at right angles to provide exceptional rigidity and load-bearing capacity. Key features include:

• Outer Diameter:106 mm
• Bore Diameter: 90 mm
• Width:8 mm
• Structure: Integrated compact design supporting radial, axial, and moment loads in any direction.
• Installation: Simplified by eliminating the need for a mounting flange.

The RA9008C RA9008UUCC0 bearing excels in applications requiring high performance and reliability, offering superior stiffness and load capacity while simplifying installation.

What's the Performance Features of RA9008C RA9008UUCC0 Crossed Roller Bearing?

RA9008UUCC0 is a thin-walled cross roller bearing, primarily used in industrial scenarios that demand high precision and lightweight design.

1. High Rigidity

• Provides 3-4 times more rigidity than traditional bearings, supporting loads in all directions (radial, axial, and moment loads).

2. Compact Design

• Extremely thin profile (only 8mm thick), making it perfect for tight spaces.

3. High Precision

• Offers micron-level accuracy with pre-load adjustment to ensure stable rotation.

4. Versatile Load Capacity

• Can handle radial, axial, and moment loads simultaneously thanks to its crossed roller design where rollers are arranged perpendicularly and separated by spacers.

5. Low Friction and Long Life

• Reduced friction between rollers extends maintenance intervals and increases durability.

What's the Applications of the RA9008C RA9008UUCC0​ Crossed Roller Bearing?

The RA9008UUCC0 is a thin-walled crossed roller bearing (outer ring split type) .Its applications are primarily concentrated in scenarios requiring high precision, high rigidity, and compact design. The specific applications include the following areas:

1. Industrial Robotics

• Used in joint rotation sections or end-effectors of robotic arms, leveraging its thin-walled design and high rigidity to achieve lightweight structures while withstanding multi-directional loads .

2. Machining Equipment

• Applied in rotary tables, indexing tables, or turntables of CNC machines (such as machining centers), ensuring precision stability during high-speed rotation.

3. Precision Inspection and Instruments

• Suitable for metrology equipment, optical instruments, and other high-precision inspection devices, supporting highly accurate positioning at minimal angular increments .

4. Medical Equipment

• Used in rotating components of medical devices such as CT scanners and MRI machines, meeting requirements for rust resistance and high cleanliness .

5. Automation and Special Machinery

• Integrated into rotating parts of robotic arms, semiconductor manufacturing equipment (such as IC packaging machines), or aerospace equipment, adapting to complex operating conditions involving torque and axial loads .

RA-C Series Crossed Roller Bearing

The RA C Series Cross Roller Bearings are compact bearings specifically designed for high-precision and high-rigidity applications. Their core features and application scenarios are as follows:

1. Structural Features

Integrated Inner and Outer Rings

The RA C Series adopts an integrated inner and outer ring structure, with the outer ring featuring a crack design (notched structure). This design maintains high rigidity while allowing the outer ring to rotate, making it suitable for applications where the outer ring needs to move .

Ultra-Thin Section and Compact Size

This series achieves an ultra-thin section . It is particularly ideal for applications with limited installation space, such as industrial robot joints and rotating components of robotic arms.

Composite Load Capacity

The rollers are arranged in a 90° cross pattern, allowing a single bearing to handle radial loads, axial loads, and overturning moments, replacing traditional multi-bearing combinations .

2. Application Areas

Industrial Robots

Used in robotic arm joints and rotating components, meeting the demands for high-speed motion and precision due to their high rigidity and low friction characteristics .

CNC Machines and Machining Centers

Suitable for rotary tables and precision indexing tables, providing stable rotational accuracy and shock resistance.

Medical Equipment and Precision Instruments

Its high-precision characteristics make it the preferred choice for fields such as surgical robots and optical instruments .

3. Advantages and Performance

High Rigidity and Load Capacity

The integrated inner and outer ring structure enhances anti-overturning capability, enabling the bearing to withstand complex loads and making it suitable for heavy machinery and high-dynamic load scenarios.

Low Friction and Long Service Life

Rollers are separated by spacers to prevent tilting and friction, reducing rotational torque and extending lubrication intervals.

Preload Adjustment Flexibility

Supports preload adjustment to optimize rotational accuracy and stability, adapting to various operating conditions.

If you need more detailed information , feel free to ask!